Appendix B
Motion Connection Accessories
©
National Instruments Corporation
B-17
Axis <1..4> Encoder Phase A–
34
/PAO (PG divided output A-phase)
Axis <1..4> Encoder Phase B+
35
PBO (PG divided output B-phase)
Axis <1..4> Encoder Phase B–
36
/PBO (PG divided output B-phase)
AL01
37
AL01 (Alarm code output)
AL02
38
AL02 (Alarm code output)
AL03
39
AL03 (Open-collector output)
Axis <1..4> Inhibit-Out/
General-Purpose Output 1
40
/S-ON (Servo ON input)
P_CON
41
P-CON (P operation input)
Isolated Ground
42
P-OT (Forward overtravel input)
Isolated Ground
43
N-OT (Reverse overtravel input)
ALM_RS
44
/ALM-RST (Alarm reset input)
P_CL
45
/P-CL (Forward current limit ON input)
N_CL
46
/N-CL (Reverse current limit ON input)
+24 V
47
+24 V-IN (External input power supply)
PSO+
48
PSO (S-phase signal output)
PSO–
49
/PSO (S-phase signal output)
NC
50
NC
†
Pins 15 and 18 are connected together on the accessory but are not available on the Axis I/O screw terminal.
Table B-7.
CN1 Cable Pin Assignments (Continued)
Accessory Signal
Pin Number
Drive Signal